UncheckedExecutionException expected =
        assertThrows(
            UncheckedExecutionException.class,
            () -> getChecked(FAILED_FUTURE_UNCHECKED_EXCEPTION, TwoArgConstructorException.class));
    assertThat(expected).hasCauseThat().isEqualTo(UNCHECKED_EXCEPTION);
  }

  public void testGetCheckedUntimed_ExecutionExceptionError() throws TwoArgConstructorException {
    ExecutionError expected =
        assertThrows(

      fail();
    } catch (ArithmeticException expected) {
      assertThat(expected).hasMessageThat().contains("1.0");
      assertThat(expected).hasMessageThat().contains("UP");
    }
  }

  public void testCheckNoOverflow_success() {
    MathPreconditions.checkNoOverflow(true, "testCheckNoOverflow_success", 0, 0);
  }

  public void testCheckNoOverflow_failure() {

    lockB.lock();
    PotentialDeadlockException expected =
        assertThrows(PotentialDeadlockException.class, () -> lockA.lock());
    checkMessage(expected, "LockB -> LockA", "LockA -> LockB");
    firstException = expected;
    // Second time should also fail, with a cached causal chain.
    expected = assertThrows(PotentialDeadlockException.class, () -> lockA.lock());
    checkMessage(expected, "LockB -> LockA", "LockA -> LockB");

      fail("no exception thrown");
    } catch (IllegalStateException expected) {
      verifySimpleMessage(expected);
    }
  }

  public void testCheckState_nullMessage_failure() {
    try {
      Preconditions.checkState(false, null);
      fail("no exception thrown");
    } catch (IllegalStateException expected) {
      assertThat(expected).hasMessageThat().isEqualTo("null");
    }
  }

    int i = 0;
    while (expectedIterator.hasNext()) {
      Object expected = expectedIterator.next();

      assertTrue(
          "index " + i + " expected <" + expected + "., actual is exhausted",
          actualIterator.hasNext());

      Object actual = actualIterator.next();
      assertEquals("index " + i, expected, actual);
      i++;
    }
    if (actualIterator.hasNext()) {

      throw new Error();
    } catch (AssertionFailedError expected) {
    }

    try {
      Helpers.assertContentsInOrder(list, "a", "c", "b");
      throw new Error();
    } catch (AssertionFailedError expected) {
    }

    try {
      Helpers.assertContentsInOrder(list, "a", "B", "c");
      throw new Error();
    } catch (AssertionFailedError expected) {
    }
  }

      fail("Expected NullPointerException");
    } catch (NullPointerException expected) {
    }
    collector =
        TableCollectors.toImmutableTable(Cell::getRowKey, Cell::getColumnKey, Cell::getValue);
    try {
      Stream.of(immutableCell("one", "uno", 1), immutableCell("one", "uno", (Integer) null))
          .collect(collector);
      fail("Expected NullPointerException");

            });
    Map<String, Boolean> expected = ImmutableMap.of("a", true, "b", false);
    assertMapsEqual(expected, map);
    assertEquals(expected.get("a"), map.get("a"));
    assertEquals(expected.containsKey("a"), map.containsKey("a"));
    assertEquals(expected.get("b"), map.get("b"));
    assertEquals(expected.containsKey("b"), map.containsKey("b"));
    assertEquals(expected.get("c"), map.get("c"));

      fail();
    } catch (IllegalArgumentException expected) {
      // TODO(kevinb): convert the rest of this file to Truth someday
      assertThat(expected).hasMessageThat().contains("connected");
    }
    try {
      range.intersection(Range.closed(0, 2));
      fail();
    } catch (IllegalArgumentException expected) {
      assertThat(expected).hasMessageThat().contains("connected");
    }
  }

    assertEquals(
        "put(present, value) should return the associated value",
        getValueForNullKey(),
        put(newEntry));

    Entry<K, V>[] expected = createArrayWithNullKey();
    expected[getNullLocation()] = newEntry;
    expectContents(expected);
  }

  @MapFeature.Require(value = SUPPORTS_PUT, absent = ALLOWS_NULL_KEYS)
  public void testPut_nullKeyUnsupported() {
    try {
      put(nullKeyEntry);